Closure for gas-tanks.



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N0.`845,426. PATBNTED FEB. 26, 14907.

Y E. P. LLOYD. cLosURB POR GAS TANKS.

APPLICATION FILED MAY 15,1905.

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'N0.845,426. l PATENTBD'FERzeglQov'. y B. F. LLOYD.

GLOSURE POR GAS TANKS.

APPLICATION FILED MAY 15,1905.

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ATTORNEY/S.

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ERNEST F. LLOYD, OF DETROIT, MICHIGAN.

CLOSURE FOR GAS-TANKS.

Specification of Letters Patent.

Patented Feb. 26, 1907.

Application filed May l5, 1905. Serial No. 260,531.

fo @ZZ whom, t may concern.'

Be it known that I, ERNEST F. LLOYD, a citizen of the United States ofAmerica, residing at Detroit, in the county of l/Vayne and State ofMichigan, have invented certain new and useful Improvements in Closuresfor Gas-Tanks, of which the following is a specification, referencebeing had therein to the accompanying drawings.

This invention relates to improvements in the construct-ion of closuresfor gas-tanks; and the object of the invention is to provide a verysimple and inexpensive fastening or clamp for the cover and to soconstruct a cast-iron, sheet-metal, or cement tank as to particularlyadapt it to the use of such a fastening and to permit the engagement ofsaid fastening with the tank at any point along its rim, thus obviatingthe necessity of its exact registry with any particular part or place onthe tank.

The invention also consists in certain other new and useful features andin the particular construction, arrangement, and combination of parts,all as hereinafter more fully described, and shown in the accompanyingdrawings, in which- Figure 1 is a sectional detail of a portion of acast-iron tank and its cover with one of the clamps or fasteningstherefor in place, the construction shown embodying the invention. Fig.2 is a similar view showing the application of the invention to steeltanks, and Fig. 3 a like view illustrating a cement tank constructionembodying the invention.

In Fig. 1 is shown a cast tank 1, formed with an outwardly-extending rimor flange 2 at its upper edge, which is strengthened by integralbrackets 3 and forms a seat i at its upper side for the rubber gasket ordry lute 5, which is secured in any suitable manner to the verticalflange of an angle-bar 6, riveted to the under surface of the cover 7along its edge. The cover is further strengthened by I-beams 8,extending across the upper surface thereof, and to the ends of thesebeams or to the cover direct are secured brackets 9, each provided witha vertical opening 10 in its projecting end. Within the said opening 10is a clamping-bolt 11., which is screwthreaded at its upper end toreceive a wheelnut 12, said nut engaging the upper surface of thebracket to support the bolt and adjust the same therein. The opening 1()at its upper end is of substantially the same diameter as the bolt. butgradually enlarges downward, so that said bolt may be swung in theopening toward or from the cover to engage a hook 13 on the lower end ofsaid bolt with the flange 2 on the tank. The flange 2 is cast with a rib14 on its lower side at its outer edge, behind which rib or between itand the side of the tank the end 15 of the hook (which may be rounded,as shown in Fig. 2) is adapted to engage the flange, said rib preventingthe accidental disengagement of the hook with the flange, and the lowerface 16 of the rib is inclined upward from a horizontal plane toward itsouter edge, so that if the operator inadvertently engages the end of thehook with the rib instead of behind it'said end will slip from the ribwhen the wheel-nut is turned.

The construction of the clamp, consisting of the bracket, clamping-bolt,and wheelnut, and the construction of the cover shown in Fig. 2 issubstantially the same as that shown in Fig. 1; but the tank 17 isformed of sheet-steel, and to provide a seat for the lute and a iiangefor the engagement of the clamps an angle-bar 18 is riveted to the outersurface of the vertical wall of the tank at its upper edge, theoutwardly-extending horizontal member of the bar forming the flange 19,beneath which the hooks are engaged. To prevent the hooks from becomingaccidentally disengaged from said iiange, a strip or bar 20 is rivetedto the under surface of the iiange along its outer edge.

In Fig. 3 is shown a cement tank construction with which the clamp,which is of substantially the same construction as the clamps shown inthe other iigures, is especially adapted to be used and the rim of whichtank is so constructed as to effectually prevent leakage. The wall 21'of the tank is built up to the desired height and an I-beam 22 thenplaced thereon, with long anchorbolts 23 extending through its lowerflanges downward into the wall. Anchor plates or strips 24 are securedby bolts to the web of the beam, and vcement or concrete is filled inaround the beam and these strips on the outer side of the beam to aboutone-half of its height and on the inner side to the top of theinwardly-extending flange on its upper end. The height of the beam andits iianges furnishes a long surface to which the cement will adhere,but does not prevent the cement from being packed solidly in contactwith 'every part thereof, and by leaving the outwardly-projecting iiange25 free a suitable IOO IIO

strong and rigid flange with which the clamping-hooks may be engaged isprovided. A strip or bar 2o, similar to the strip 20, is riveted to thelower surface of this flange 25 along its outer edge to hold the hooksengaged therewith, and as said lower surface of the flange is inclinedupward from a horizontal plane toward its outer edge the lower surfaceof the bar 26 is given an inclination siinilar to that of the rib 16(shown in Fig. l) and for the saine purpose.

The cover 27 for the cement tank may be constructed the saine as thoseshown in Figs. l and 2, or it may be constructed, as shown in F ig. 3,by securing a channel-bar 28 to the edge of the cover and bolting thedry lute 29 tothe vertical outer flange of said channel.

Having thus fully described niy invention, what I claiin is- 1. Thecombination with a receptacle for gas, a cover for said receptacle, anda dry lute interposed between the cover and receptacle, of a continuousflange on the receptacle forming a seat for the lute, a bracket on thecover having a vertical opening enlarging downward from its upper end, aclampingbolt in said opening having a screw-threaded upper end, awheel-nut on said end in con tact with the bracket, a hook on the lowerend of the bolt adapted to engage the flange, and a rib on the lowerside of the flange along its outer edge.

2. The combination With a receptacle for gas, a cover for saidreceptacle, and a dry lute carried by the cover, of a continuousoutwardly and horizontally extending flange on the receptacle at itsupper edge, a rib on the under surface of said flange at its outer edgehaving a lower surface inclined upwardly and outwardly from a horizontalplane, a bracket on the cover, an opening in the bracket, a clampingboltin said opening having a screw-threaded upper end, a wheel-nut on thesaid end of the bolt, and a hook on the lower end of said bolt.

In testimony whereof I affix my signature in presence of two witnesses.

ERNEST F. LLOYD.

Witnesses OTTO F. BARTHEL, JOSEPH A. NOELKE.

